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07/02/2022 6:35 pm
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Choose the correct pair.
(a) Hippocampus – 3-chambered heart
(b) Rana – 2-chambered heart
(c) Crocodilus – 4-chambered heart
(d) Pavo – 3-chambered heart
1 Answer
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07/02/2022 6:37 pm
Correct answer: (c) Crocodilus – 4-chambered heart
Explanation:
Hippocampus (sea horse) belongs to class osteichthyes.
It has 2-chambered heart (one auricle and one ventricle).
Rana (frog) belongs to class amphibia. It has a 3-chambered heart (two auricles and one ventricle).
Crocodilus (crocodile) belongs to class reptilia. It is an exception in reptiles.
Pavo (peacock) belongs to class aves. It has 4-chambered heart.